20476217919

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{21881}}^1$

素因数の和:22271

約数の個数: 32

約数和(自身を含む): 29493434880

約数和(自身を除く): 9017216961

約数列:

[1, 3, 17, 51, 59, 177, 311, 933, 1003, 3009, 5287, 15861, 18349, 21881, 55047, 65643, 311933, 371977, 935799, 1115931, 1290979, 3872937, 6804991, 20414973, 21946643, 65839929, 115684847, 347054541, 401494469, 1204483407, 6825405973, 20476217919]

約数ペア:

[(1, 20476217919), (3, 6825405973), (17, 1204483407), (51, 401494469), (59, 347054541), (177, 115684847), (311, 65839929), (933, 21946643), (1003, 20414973), (3009, 6804991), (5287, 3872937), (15861, 1290979), (18349, 1115931), (21881, 935799), (55047, 371977), (65643, 311933)]